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What We Offer

Image by Trnava University
Image by CDC
Image by National Cancer Institute

Our Services

CRO Services

1. Custom Peptide Antigen Synthesis

Our peptide design and synthesis services include modifications such as phosphorylation, acetylation, and biotinylation. A wide range of carrier proteins is available.

Customers provides

  • Amino acid sequence of the target protein

Service procedures

  • Peptide design

  • Peptide synthesis

  • Peptide conjugation


  • Peptide sequences

  • 2mg unconjugated peptide

2. ELISA Kit Development Service

Antigen preparation 


  • If you want to customize an antigen, please fill out this  form.

  • Rabbit pAb generation

Antibody generation 

ELISA Kit development

  • Antibody labeling

  • Antibody matched pair screening

  • Assay development and optimization

  • ELISA Kit manufacturing


  • Validated antibody pair set

  • CoA

3. Custom Rabbit Polyclonal Antibody Production Service

  • SDS-PAGE and UV analysis

Antigen validation

  • Pre-immune bleed

  • 2 rabbits immunization

  • Serum titer test

  • Final bleed

Standard immunization and

serum titer test


  • Protein A purification

  • Antigen affinity purification (As per customer's request)

  • SDS-PAGE and UV analysis

  • ELISA validation

QC analysis


  • Pre-immune sera, 2*0.5 mL/rabbit

  • Antisera or purified antibodies

  • CoA

  • Remaining antigens

4. E.coli Protein Expression Service

Gene synthesis and codon optimization (Optional)

  • Simply provide us with the protein/gene sequence or the plasmid.

Vector construction

  • Cloning cDNA into expression vectors

  • Plasmid sequencing

  • Plasmid preparation 


  • Sequencing report (if requested)

Protein expression testing

  • E. coli strain transformation

  • Pilot expression and purification trial

  • Protein expression evaluation (SDS-PAGE)


  • Expression evaluation result

  • Soluble protein purification

  • Protein refolding and purification (inclusion bodies)

  • QC analysis (SDS-PAGE, UV, etc)


  • 0.5-1 mg purified proteins (if feasible)

  • CoA

Scalable expression and 1-2 step purification

Large-scale expression and purification (Optional)

  • 100+ mg

  • QC analysis


  • Purified proteins

  • CoA

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